22572031999987 has 2 divisors, whose sum is σ = 22572031999988. Its totient is φ = 22572031999986.

The previous prime is 22572031999969. The next prime is 22572032000041. The reversal of 22572031999987 is 78999913027522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22572031999987 is a prime.

It is not a weakly prime, because it can be changed into another prime (22572031999687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286015999993 + 11286015999994.

It is an arithmetic number, because the mean of its divisors is an integer number (11286015999994).

Almost surely, 2^{22572031999987} is an apocalyptic number.

22572031999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22572031999987 is an equidigital number, since it uses as much as digits as its factorization.

22572031999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 308629440, while the sum is 73.

The spelling of 22572031999987 in words is "twenty-two trillion, five hundred seventy-two billion, thirty-one million, nine hundred ninety-nine thousand, nine hundred eighty-seven".